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Finding the Fourth Proportional to 190,690.20, 286,035.30 and 181,942.20

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Solution

The fourth proportional to 190,690.20, 286,035.30 and 181,942.20 is: 272,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,690.20 : 286,035.30 = 181,942.20 : x
  2. Step 2: Convert to fraction form
    190,690.20/286,035.30 = 181,942.20/x
  3. Step 3: Cross multiply
    190,690.20x = 286,035.30 × 181,942.20
  4. Step 4: Simplify right side
    190,690.20x = 52,041,891,759.66
  5. Step 5: Solve for x
    x = 52,041,891,759.66/190,690.20
  6. Step 6: Final answer
    x = 272,913.30

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